Home / 10,049.30-15,059.10-7,281.80

Finding the Fourth Proportional to 10,049.30, 15,059.10 and 7,281.80

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Solution

The fourth proportional to 10,049.30, 15,059.10 and 7,281.80 is: 10,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.30 : 15,059.10 = 7,281.80 : x
  2. Step 2: Convert to fraction form
    10,049.30/15,059.10 = 7,281.80/x
  3. Step 3: Cross multiply
    10,049.30x = 15,059.10 × 7,281.80
  4. Step 4: Simplify right side
    10,049.30x = 109,657,354.38
  5. Step 5: Solve for x
    x = 109,657,354.38/10,049.30
  6. Step 6: Final answer
    x = 10,911.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.